Add ShareRecipeViewModel tests

app/src/main/java/gq/kirmanak/mealient/ui/OperationUiState.kt

@@ -27,9 +27,29 @@ sealed class OperationUiState<T> {
         progressBar.isVisible = isProgress
     }
 
-    class Initial<T> : OperationUiState<T>()
+    class Initial<T> : OperationUiState<T>() {
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (javaClass != other?.javaClass) return false
+            return true
+        }
 
-    class Progress<T> : OperationUiState<T>()
+        override fun hashCode(): Int {
+            return javaClass.hashCode()
+        }
+    }
+
+    class Progress<T> : OperationUiState<T>() {
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (javaClass != other?.javaClass) return false
+            return true
+        }
+
+        override fun hashCode(): Int {
+            return javaClass.hashCode()
+        }
+    }
 
     data class Failure<T>(val exception: Throwable) : OperationUiState<T>()